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If you’re using a key for me with a fingerprint of 6DC99178, that one is no longer valid. My new one is C1011FB1.

For the impatient, here’s the easiest way to retrieve my new key:

gpg2 --keyserver pgp.mit.edu --recv-key C1011FB1

Lessons learned

Always ensure that you have complete backups of all of your keys. I made a mistake and forgot to back up my original signing subkey before I moved that key to my Yubikey. When the NEO died, so did the last copy of the most important subkey. It goes without saying but I don’t plan on making that mistake again.

Always make a full backup of all keys and make a revocation certificate that also gets backed up. There’s a good guide on this topic if you’re new to the process.

Wait. A Yubikey stopped working?

This is the first Yubikey failure that I’ve ever experienced. I’ve had two regular Yubikeys that are still working but this is my first NEO.

I emailed Yubico support earlier today about the problem and received an email back within 10-15 minutes. They offered me a replacement NEO with free shipping. It’s still a bummer about the failure but at least they worked quickly to get me a free replacement.